1: phenylacetylene With n-butyllithium in tetrahydrofuran T=0°C; 2: 4-benzoylmorpholine in tetrahydrofuran T=0°C; 1 h; 3: With acetic acid in tetrahydrofuran; water T=0°C; Further stages.;
参考文献
Journal of Organic Chemistry, , vol. 67, # 14 p. 5032 - 5035